On This Day

What Happened in December 1582

Historical Events


Gregory Conquers Julius CaesarGregory Conquers Julius Caesar

Dec 10 France begins use of Gregorian calendar

Read Article
Pope Gregory XIII with the calendar that was to make his name
Pope Gregory XIII with the calendar that was to make his name
Read Article
  • Dec 14 Zealand, Brabant Netherlands adopt Gregorian calendar, tomorrow is 12/25
  • Dec 15 Leidse university names Rembert Dodoens professor of botany and medicine
  • Dec 15 Spanish Netherlands, Denmark and Norway adopt the Gregorian calendar
  • Dec 21 Flanders adopts Gregorian calendar, tomorrow is Jan 1 1583
  • Dec 25 Zealand and Brabant adopts Gregorian calendar, yesterday was Dec 14th

Famous Birthdays

  • Dec 23 Severo Bonini, Italian composer and monk, born in Florence (d. 1663)

Famous Deaths

  • Dec 11 Fernando Alvarez de Toledo, Spanish noble and diplomat (governor of the Netherlands (1567–1573)), dies at about 75